Secure your GreenSign Hotel certification now with up to 40% discount!
Profit from our exclusive promotion in collaboration with Booking.com


Your advantages at a glance
- Save costs: Reduce energy consumption and waste. Many certified hotels report positive effects on their operating costs.
- Strengthen your image: The GreenSign certificate shows your team and guests that you are taking responsibility for the environment, which promotes trust and loyalty.
- Exclusive network access: Become part of the GreenSign community and benefit from exchanges and exclusive events with other sustainable hoteliers.
- International recognition: GreenSign is recognised worldwide and is valued as a mark of quality for sustainable hospitality.
References from our customers


‘Thanks to the excellent online certification tool, which is recognised by GSTC, we were able to make our work towards sustainability tangible and define goals for the coming years through the environmental programme.’

Three steps to GreenSign Hotel certification
Submit certification request
After you have submitted the completed form, you will receive all the information and your quote from us. Once you have agreed, we will send you access to the certification tool.
Log in to the GreenSign tool & self-disclosure
After registering in the certification tool, the hotel provides self-disclosure information. All questions in the online tool are answered within approximately 4 weeks.
Audit and GreenSign Hotel certification
The certification process concludes with an audit at the hotel. Sustainability performance is then rated on a scale of 50% to 100% compliance.
Up to 40% discount on your certification
Fill out the form below and we will check how much discount you are entitled to through our partner booking.com.








